Objective Questions on Mechanical Engineering
133-Circlips are made of:
(A) Cast iron
(B) Stainless steel
(C) Spring steel
(D) High carbon steel
134-Which of the following pump is suitable for low head and high energy?
(A) Centrifugal pump
(B) Reciprocating pump
(C) Came and piston pump
(D) Plunger pump
135-The profile of a gear tooth is in the form of:
(A) Involutes
(B) Parabola
(C) Helix
(D) Hyperbola
136-Which of the following clamp works on the principle of inclined planes?
(A) Cam clamp
(B) Toggle clamp
(C) Wedge clamp
(D) Latch clamp
137-The vice used for forging work is:
(A) Forging vice
(B) Leg vice
(C) Toolmaker’s vice
(D) Bench vice
138-The ratio of ultimate stress to the working stress is:
(A) Poisson’s ratio
(B) Factor of safety
(C) Young’s modulus
(D) Modulus of rigidity
139-The threads provided on standard pipe fittings are:
(A) BA
(B) BSW
(C) BSF
(D) BSP
140-Which form of energy is stored in a hydraulic accumulator?
(A) Pressure energy
(B) Kinetic energy
(C) Potential energy
(D) Heat energy
141-The following compass is used to draw very large circle:
(A) Bow compass
(B) Beam compass
(C) Large compass
(D) Drop compass
142-The act of joining together slip gauges is termed as:
(A) Bunching
(B) Wringing
(C) Extending
(D) Welding
ANSWERS:
133-(C), 134-(A), 135-(A), 136-(C), 137-(B), 138-(B), 139-(D), 140-(C), 141-(B), 142-(B)